Showing 20 videos tagged with railscasts

Advanced Queries in Rails 3

00:09:26 railscasts.com
Learn some advanced techniques regarding named scopes and get an introduction to Arel in this episode.

A/B Testing with A/Bingo

00:11:04 railscasts.com
A/B Testing (or Split Testing) is a way to experiment with variations in an application to see the most effective option.

Calendars

00:09:50 railscasts.com
If dates play an important role in your application, consider adding a date picker or calendar view as shown in this episode.

Refactoring & Dynamic Delegator

00:07:58 railscasts.com
Learn how to refactor a set of conditional Active Record queries using a Dynamic Delegator.

Validations in Rails 3

00:09:53 railscasts.com
Rails 3 offers several new additions to validations. Here learn how to make a custom error_messages partial, reflect on validations, and clean up complex validations in a model.

ERB Blocks in Rails 3

00:09:41 railscasts.com
Blocks in ERB templates are handled differently in Rails 3.0 Beta 2. Learn all about it in this episode.

My Favorite Web Apps in 2009

00:06:26 railscasts.com
Here I show several of my favorite web applications which I found most helpful as a Ruby developer over the past year.
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MongoDB and MongoMapper

00:13:13 railscasts.com
MongoDB is a document based database engine. Learn how to access it through MongoMapper in this episode.

Screen Scraping with Nokogiri

00:13:34 railscasts.com
Screen scraping is easy with Nokogiri and SelectorGadget.

Embedded Association

00:14:03 railscasts.com
Learn how to set up a one-to-many or many-to-many association which is entirely embedded into a single column through a string or bitmask.